The Coda file systems for computers is an older type of file system. It was specifically designed for weakly connected and disconnected computers.
coda file system used his local cache when the network is lost due to any problem in that situation coda file system provide the connection from its local cache that is known as disconnected operation.
If you mean mac of computers than its Apple
Computers use file extensions to determine a file's type.
HFS file system with addtional software windows can read it
"File-sharing" is a platform-independent concept, that of sharing files between computers. If you are referring to the service / file system that allows other computers on the same network to access files on the local computer, this is usually done with NFS (Network File System). For compatibility with Windows, it is also possible to use Samba.
file-sharing
Any file system can be used by a floppy disk, as long as the minimum partition size of the file system does not exceed the capacity of the floppy. FAT12 is the most common on Windows / MS-DOS computers. AFS was common on earlier Macs. ext was used among many Linux users. Floppy disks can use a variety of file systems. On MS-DOS and Windows computers, the primary file system for floppies is FAT12. On older Macs, the file system was HFS or MFS. Linux computers sometimes use ext.
File Systems supported by Mac OS X:Local File Systems HFSHFS+ISO9660MSDOSNTFSUDFUFSNetwork File Systems AFPFTPNFSSMB/CIFSWebDAVOther deadfsdevfsfdescfifofsloopnullfsramfsspecfssynthfsunionvolfs
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(CISF)Common Internet File System is a protocol that defines a standard for remote file access using millions of computers at a time. With CIFS, users with different platforms and computers can share files without having to install new softwares.
InterMezzo is a distributed file system written for Linux, distributed with a GPL license. The kernel component has been included in the standard Linux kernel since kernel version 2.4.15. InterMezzo is designed to work on top of an existing journaling file system such as ext3, JFS, ReiserFS and XFS. An InterMezzo system consists of a server, which holds the master copy of the file system, and one or more clients with a cache of the file system. It works either in a replication mode, in which a client maintains a duplicate of the entire file system, or in an on-demand mode in which the client only requests files that it needs. It does this by capturing all writes to the server's file system journal streaming them to the client systems to be replayed. It is described as a "high availability file system" since a client can continue to operate even if the connection to the server is lost. During a period of disconnection, updates are logged and will be propagated when the connection is restored. Conflicts are detected and handled according to a "conflict resolution policy" (although the best policy is likely to be to avoid conflicts). Typical applications of replication mode would be: * A cluster of servers operating on a shared file system. * Computers that are not always connected to the network, such as laptops. Typical applications of on-demand mode would be: * Distributed file serving, e.g., FTP or WWW servers could be mirrored in a remote location without needing to propagate files that are never accessed. * Desktop workstations. InterMezzo was started as part of the Coda file system project at Carnegie Mellon University and takes many design decisions from Coda. Intermezzo was designed for enhanced scalability, performance, modularity, and easy integration with existing file systems. Although InterMezzo was supported in the standard Linux kernel in version 2.4, it has been removed in the 2.6 series. InterMezzo is apparently no longer under development, and its developers have moved on to a new project named Lustre.
a virus includes a script which overwrites your computers needed files. This can be your operating system, a startup file (e.g: a hive file) or many more sutem files.